Improvement in grain cleaners



PERRY & WHEAT.

Grain Winnower. No. 100,441. I Patented March 1,1870,-

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".PETERS, PHDTO-LI'I'HOGRAPHER, WASHINGTON, DC.

kilometer n w a cHAUNoEYLrERR AND JAMES WHEAT, ornoonnsrna, New YORK.

5mm Pam: at. 100,441, dated March 1, 1870; dammed February 20, 1870.

nvrrnovsmmvr m GRAIN CLEANERS.

TheSchedule referred to in these Letters Patentand making pazt of the same.

f To jail-whom itmay concern I Be itknown that we, Cmunonv PERRY and JAMES E. WHEAT, of Rochester, in the county of ,Monroe, and State of New York, have invented certain new and useful Improvements in Grain Cleaners and we do hereby declare that the followingis afull, clear, and

exact description thereof, reference being bad to the accompanying drawings making part of this specification, in which-,

Figure 1 is a vertical section, taken glOllgllllldlllflllly through the machine.

Figure 2 isa top view Ofulli invention.

Figure 3 isa top view of the suspending-hook b Thenature of our invention will be understood by reference to the drawings and specification, and to enable others to make and use it, we willdescribe its construction and operation. H We makethe frame of our. grain cleanerin any of theaisual forms, and upon the-top we place a supplyl1opper,- A, fig. l, which is provided with two slides, o and The slide 0 may. be madeof sheet metal or other suitable material), and is guided by grooves or otherwise cutinthe sides of the hopper at a proper angle, as shown. a

' Under the slide 0, and resting in a groove out nearly or quite horizontally in the sides of the hopper, we use the secondary regulating slide a, operated by a, suit- I able handle. It is obvious that the slide x,al'ter being once adjusted will not be shiftedby the jar of the nin chine, to which the slide 0 is liable, while the inclination of the latter causes the grain to fall down to the throat of the hopper. a

Immediately lindersthe 'hopperA we provide fine screen, B, figs. 1 and ,2, inclined toward .the rear of the machine, upon which the grain firstfnlls from the hopper. g c

.This screen vibratestransversely, and by its operation separates the grass-seed from the grain, and de-- livers it into the drawer I), provided underneath To'the upper bar F of this screen wesecure the teeth f, projccting into the throat of the hopper. The

vibrating motion of the teeth andbar prevents the clogging of this passage by chaii',headings, or other substances.

The shoe G may be made in theordinary form, being 'suspended'by the straps c c, to allow longitudinal mo tion, and having screens a d secured to it in a suitable manner.

For the purpose of adjusting the inclination of the shoe and screens, we ratchetone edge of the rear straps c, and provide hooks I), having notches b, fig. 3, in one sideslight-ly longer than the width of the straps, into which the latter drop; The hooks are suspended by screws or pins, and when looked upon; the straps assumethe diagonal position shown in fig. 1.

To adjust the shoe it is only necessary to raise or.

iower'it, and allowthe hooks to drop into the required notch of the straps. I

Upon the fan shaft, and inside of the frame of the machine we secure the disk-cam h.

This cam operates a bell-crank lever, in, fig.'1, which is forked to embrace it, and which is pivoted to the side of the machine at n, the other arm being connected to the shoe as shown.

To the lever in we connect the upright lever 1, (shown mostly by dotted lines in fig. 1,) which is pivoted at its center to the machine, and at the upper end to the .bar F of the upper screen. Thus the cam It communicates a transverse motion to the screen B and alongitudlnal motion to the shoe 0. Below the shoe, and partaking of its motion, we use the'ordinary cockle screen g, secured to the shoe at one end by a bolt or other suitable means, and resting at the lower end upon'the delivery chute j. Betweenthe wind chest and the lower-screens we place a partition, .19, fig. 1, through which an opening is out nearly across the machine. Into this opening the valve 0 is fitted, turning upon pivots, and retained by a button, either open, as shown in full lines,-or closed,

as shown in dotted lilies.

' The bottomof the wind cliestis closed by the sheet t, which is brought up and secured to the partition.

The object of this arrangement of the'valve e is to divide the blast, so as to use it partly for removing any light-substances which may pass down from aboveupon the lower screen, as often. occurs in chatiing.

When separating partiallycleaned grain the valve e is closed, directing the blast entirely between the screens of the shoe, as indicated by the arrows. The effect of this is to prevent light stuff-from falling through the screens to, since it is buoyed up by the con"- centrated blast, and rolled oii' at the rear otithe machine.

0n the upper sldes of any or all of the screens we it use one or more longitudinal libs t, the object of which is to divide the grain as it falls upon the screens, and prevent its piling or gathering at one side, thus accomplishing a more even distribution over the surface.

The valve 0 may be controlled by a rod extending to the outside of the machine.

What weclaim as our invention, and desire to secure by Letters Patent, is-

1. The arrangement of the division ribs i longitu- 

